Home / 448,541.01-672,941.39-133,005.51

Finding the Fourth Proportional to 448,541.01, 672,941.39 and 133,005.51

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Solution

The fourth proportional to 448,541.01, 672,941.39 and 133,005.51 is: 199,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,541.01 : 672,941.39 = 133,005.51 : x
  2. Step 2: Convert to fraction form
    448,541.01/672,941.39 = 133,005.51/x
  3. Step 3: Cross multiply
    448,541.01x = 672,941.39 × 133,005.51
  4. Step 4: Simplify right side
    448,541.01x = 89,504,912,112.03
  5. Step 5: Solve for x
    x = 89,504,912,112.03/448,541.01
  6. Step 6: Final answer
    x = 199,546.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.